You multiply 8 and 5 to get 40 then you divide 300 into 40 to get the answer which is 7.5
Answer: For the first it would be 6, 3, and 7, 6 is double 3, and 7 is 1 more than 6, 6+3=9, and 9+7=16.
The second one is there were only 6 days that students were absent as 12 divided by 2 is 6.
7 7/8 inches
All I did was multiply 2 1/4 by 3 1/2.
I hope this helps!